通过vectordbbench执行磁盘索引压测,报pydantic.error_wrappers.ValidationError: 1 validation error for MilvusConfig

vectordbbench milvusdiskann --case-type CapacityDim128 --uri 10.xxx:19530 --search-list 100

Traceback (most recent call last):
File "/bin/vectordbbench", line 8, in
sys.exit(cli())
^^^^^
File "/usr/local/python3.11/lib/python3.11/site-packages/click/core.py", line 1137, in call
return self.main(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/python3.11/lib/python3.11/site-packages/click/core.py", line 1062, in main
rv = self.invoke(ctx)
^^^^^^^^^^^^^^^^
File "/usr/local/python3.11/lib/python3.11/site-packages/click/core.py", line 1668, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/python3.11/lib/python3.11/site-packages/click/core.py", line 1404, in invoke
return ctx.invoke(self.callback, **ctx.params)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/python3.11/lib/python3.11/site-packages/click/core.py", line 763, in invoke
return __callback(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/python3.11/lib/python3.11/site-packages/vectordb_bench/backend/clients/milvus/cli.py", line 154, in MilvusDISKANN
db_config=MilvusConfig(
^^^^^^^^^^^^^
File "pydantic/main.py", line 347, in pydantic.main.BaseModel.init
pydantic.error_wrappers.ValidationError: 1 validation error for MilvusConfig
password
object of type 'NoneType' has no len() (type=type_error)